West System 410 Microlight410 Microlight is a low density filler that is ideal for making light and workable epoxy. THe compound is perfect for fairing large areas. Microlight mixes easier than other fillers or microballoons. Easier to sand after the 105 Resin Epoxy/Hardener mixture with Microlight cures. Epoxy that has been thickened with Microlight will feather to a fine edge and is more economical for larger jobs. Not recommended for surfaces that will be subjected to high temperatures or to be used under dark paint. 410 Microlight comes in a tan color.West System 410 Microlight is a fairing filler. It will cure in a light and easily sandable material. Generally used for surface applications such as fairing, filling, or shaping. Also good for cosmetic repairs. All faired surfaces with epoxy should be sealed before painting. 410 Microlight is perfect when you need an epoxy for fairing. This filler will help you fill voids and gaps while still being easily sandable. Click here to download 410 Microlight Technical Data SheetClick here to download 410 Microlight Safety Data Sheet